Home / 98,715.84-148,039.13-27,619.38

Finding the Fourth Proportional to 98,715.84, 148,039.13 and 27,619.38

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Solution

The fourth proportional to 98,715.84, 148,039.13 and 27,619.38 is: 41,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,715.84 : 148,039.13 = 27,619.38 : x
  2. Step 2: Convert to fraction form
    98,715.84/148,039.13 = 27,619.38/x
  3. Step 3: Cross multiply
    98,715.84x = 148,039.13 × 27,619.38
  4. Step 4: Simplify right side
    98,715.84x = 4,088,748,848.24
  5. Step 5: Solve for x
    x = 4,088,748,848.24/98,715.84
  6. Step 6: Final answer
    x = 41,419.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.